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arXiv 1107.5463physics.comp-phcond-mat.stat-mechhep-lat
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格点自旋模型的GPU加速蒙特卡罗模拟

GPU accelerated Monte Carlo simulations of lattice spin models

Martin Weigel, Taras Yavors'kii

摘要:

我们考虑使用图形处理单元(GPU)提供的大规模并行架构的统计力学的经典自旋模型的蒙特卡罗模拟。我们讨论了离散和连续变量模型的模拟,并使用一系列算法,从单自旋翻转Metropolis更新集群算法到多规范和Wang-Landau技术,以判断GPU加速计算在这一领域的范围和局限性。对于讨论的大多数模拟,我们发现与单线程CPU实现相比,速度显著提高了两到三个数量级。

英文摘要:

We consider Monte Carlo simulations of classical spin models of statistical mechanics using the massively parallel architecture provided by graphics processing units (GPUs). We discuss simulations of models with discrete and continuous variables, and using an array of algorithms ranging from single-spin flip Metropolis updates over cluster algorithms to multicanonical and Wang-Landau techniques to judge the scope and limitations of GPU accelerated computation in this field. For most simulations discussed, we find significant speed-ups by two to three orders of magnitude as compared to single-threaded CPU implementations.

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